From 6213e3d86b2ccb59129362e6a06dfbb30429b849 Mon Sep 17 00:00:00 2001
From: ianmdlvl <ianmdlvl>
Date: Fri, 16 Feb 2007 19:10:42 +0000
Subject: [PATCH] nosnap

---
 backup/Makefile  |  2 +-
 backup/nosnap    | 27 +++++++++++++++++++++++++++
 debian/changelog |  6 ++++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100755 backup/nosnap

diff --git a/backup/Makefile b/backup/Makefile
index c4f0ae6..77449a7 100644
--- a/backup/Makefile
+++ b/backup/Makefile
@@ -29,7 +29,7 @@ BINSCRIPTS=	checkallused loaded driver takedown whatsthis labeltape \
 		snaprsync
 SHARESCRIPTS=	bringup full increm snap-drop
 SHAREFILES=	backuplib.pl snap-common
-SNAPKINDS=	lvm remount remountrocp
+SNAPKINDS=	lvm remount remountrocp nosnap
 
 EXAMPLES=	relativity chiark
 
diff --git a/backup/nosnap b/backup/nosnap
new file mode 100755
index 0000000..c1f16dd
--- /dev/null
+++ b/backup/nosnap
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+set -e
+
+removes () {
+	rm -f -- "$vardir/snap-mount" "$vardir/snap-device"
+}
+
+vardir="$2"
+
+case "$#.$1" in
+2.drop)
+	removes
+	;;
+4.snap)
+	removes
+	ln -s -- "$3" "$vardir/snap-device"
+	ln -s -- "$4" "$vardir/snap-mount"
+	;;
+*)
+	cat >&2 <<'END'
+usage: .../nosnap snap VARDIR DEV MOUNT
+       .../nosnap drop VARDIR
+END
+	exit 1
+	;;
+esac
diff --git a/debian/changelog b/debian/changelog
index 5872cbc..7ac8f1a 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,3 +1,9 @@
+chiark-utils (4.1.13) unstable; urgency=low
+
+  * New `nosnap' no-op snap kind.
+
+ -- Ian Jackson <ian@davenant.greenend.org.uk>  Fri, 16 Feb 2007 19:10:23 +0000
+
 chiark-utils (4.1.12) unstable; urgency=low
 
   * New `watershed' program.
-- 
2.30.2